2226945 has 32 divisors (see below), whose sum is σ = 4128768. Its totient is φ = 1003968.

The previous prime is 2226943. The next prime is 2226953. The reversal of 2226945 is 5496222.

It is not a de Polignac number, because 2226945 - 2¹ = 2226943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2226941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13252 + ... + 13418.

It is an arithmetic number, because the mean of its divisors is an integer number (129024).

2^2226945 is an apocalyptic number.

It is an amenable number.

2226945 is a deficient number, since it is larger than the sum of its proper divisors (1901823).

2226945 is a wasteful number, since it uses less digits than its factorization.

2226945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309.

The product of its digits is 8640, while the sum is 30.

The square root of 2226945 is about 1492.2952120810. The cubic root of 2226945 is about 130.5879678759.

The spelling of 2226945 in words is "two million, two hundred twenty-six thousand, nine hundred forty-five".